Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: United States of America (the)

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 21.57.45.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15575
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.57.45.3.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020602 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 05:54:14 CST 2025
;; MSG SIZE  rcvd: 103
Host info
Host 3.45.57.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 3.45.57.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.24.129.251 attack
$f2bV_matches
2020-06-01 16:40:20
175.101.4.14 attack
SSH Brute-Force reported by Fail2Ban
2020-06-01 16:42:06
31.184.199.114 attackspambots
$f2bV_matches
2020-06-01 16:54:09
181.229.36.184 attack
Brute force attempt
2020-06-01 17:20:47
54.39.133.91 attackbotsspam
Jun  1 10:26:22 vps687878 sshd\[23877\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.133.91  user=root
Jun  1 10:26:24 vps687878 sshd\[23877\]: Failed password for root from 54.39.133.91 port 40186 ssh2
Jun  1 10:29:49 vps687878 sshd\[24104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.133.91  user=root
Jun  1 10:29:52 vps687878 sshd\[24104\]: Failed password for root from 54.39.133.91 port 45710 ssh2
Jun  1 10:33:18 vps687878 sshd\[24531\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.133.91  user=root
...
2020-06-01 16:45:08
180.76.119.34 attack
Jun  1 06:33:36 PorscheCustomer sshd[31789]: Failed password for root from 180.76.119.34 port 34524 ssh2
Jun  1 06:36:31 PorscheCustomer sshd[31847]: Failed password for root from 180.76.119.34 port 47166 ssh2
...
2020-06-01 17:01:46
185.107.80.34 attackbots
Unauthorized connection attempt detected from IP address 185.107.80.34 to port 23
2020-06-01 16:44:54
35.194.131.64 attackbots
Jun  1 10:48:40 legacy sshd[1706]: Failed password for root from 35.194.131.64 port 35044 ssh2
Jun  1 10:51:03 legacy sshd[1758]: Failed password for root from 35.194.131.64 port 49434 ssh2
...
2020-06-01 16:55:37
195.231.3.21 attackspam
Jun  1 10:25:32 web01.agentur-b-2.de postfix/smtpd[562740]: warning: unknown[195.231.3.21]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 10:25:32 web01.agentur-b-2.de postfix/smtpd[562740]: lost connection after AUTH from unknown[195.231.3.21]
Jun  1 10:25:36 web01.agentur-b-2.de postfix/smtpd[560143]: warning: unknown[195.231.3.21]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 10:25:36 web01.agentur-b-2.de postfix/smtpd[560083]: warning: unknown[195.231.3.21]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 10:25:36 web01.agentur-b-2.de postfix/smtpd[562739]: warning: unknown[195.231.3.21]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-06-01 17:10:47
87.251.74.50 attackbotsspam
Jun  1 10:35:18 srv2 sshd\[27275\]: Invalid user admin from 87.251.74.50 port 9846
Jun  1 10:35:18 srv2 sshd\[27274\]: Invalid user  from 87.251.74.50 port 9588
Jun  1 10:35:25 srv2 sshd\[27280\]: Invalid user user from 87.251.74.50 port 48090
2020-06-01 16:43:31
195.54.166.26 attack
Port scan: Attack repeated for 24 hours
2020-06-01 16:46:08
218.78.84.162 attack
2020-06-01 03:18:51,019 fail2ban.actions        [937]: NOTICE  [sshd] Ban 218.78.84.162
2020-06-01 03:55:02,717 fail2ban.actions        [937]: NOTICE  [sshd] Ban 218.78.84.162
2020-06-01 04:35:23,591 fail2ban.actions        [937]: NOTICE  [sshd] Ban 218.78.84.162
2020-06-01 05:11:35,651 fail2ban.actions        [937]: NOTICE  [sshd] Ban 218.78.84.162
2020-06-01 05:48:04,476 fail2ban.actions        [937]: NOTICE  [sshd] Ban 218.78.84.162
...
2020-06-01 17:17:00
182.61.3.157 attackspam
SSH brute-force: detected 7 distinct usernames within a 24-hour window.
2020-06-01 17:04:57
106.53.85.121 attack
2020-06-01T03:46:18.855049shield sshd\[20101\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
2020-06-01T03:46:21.229396shield sshd\[20101\]: Failed password for root from 106.53.85.121 port 47714 ssh2
2020-06-01T03:47:21.426412shield sshd\[20448\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
2020-06-01T03:47:23.118004shield sshd\[20448\]: Failed password for root from 106.53.85.121 port 58138 ssh2
2020-06-01T03:48:26.544706shield sshd\[20791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
2020-06-01 16:59:28
125.34.240.33 attack
(imapd) Failed IMAP login from 125.34.240.33 (CN/China/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Jun  1 12:15:54 ir1 dovecot[2885757]: imap-login: Disconnected (auth failed, 1 attempts in 7 secs): user=, method=PLAIN, rip=125.34.240.33, lip=5.63.12.44, TLS, session=
2020-06-01 16:58:56

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